See Him In: Hemlock Grove on NetFlix (read our preview of its game-changing shows on page 152), as a scion grappling with, in Skarsgård's words, "this growing darkness within him," who teams up with a gypsy teen wolf to solve a string of gruesome murders.

Family Matters: The son of Stellan and brother to Alexander and Swedish actor Gustaf, Bill initially fought the acting bug. "I didn't want to the be the fourth Skarsgård," he says. "But eventually people will recognize me for who I am."